**How Do You Calculate The Square Root of 15399?**

To calculate the square root of a number, you need to find the number that when multiplied by itself, gives you the original number. For example, the square root of 15399 is 124.0927073, because 124.0927073 x 124.0927073 = 15399

This means the square root of 15399 is 124.0927073.

**How do you calculate the square root of 15399 in Excel or Google Sheets?**

To automatically calculate the square root of 15399 in Excel or Google Sheets you need to use the SQRT() function:

`SQRT(15399)`

Placing the above into a cell will automatically display the square root. You can swap out the number 15399 in the formula for any other number you wish to calculate the square root.